United States. Department of Commerce and United States. Bureau of Economic Analysis. "Fourth Quarter 1962," The National Income and Product Account (1963-04-01). https://fraser.stlouisfed.org/title/52/item/56978, accessed on May 4, 2024.
United States. Department of Commerce and United States. Bureau of Economic Analysis. "Fourth Quarter 1962," The National Income and Product Account (1963-04-01). https://fraser.stlouisfed.org/title/52/item/56978, accessed on May 4, 2024.